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Aurelien Rougerie, Napolioni Nalaga and Morgan Parra ruled out of Clermont's Top 14 clash against Castres

Clermont have been rocked by news Aurelien Rougerie, Napolioni Nalaga and Morgan Parra will miss the clash with Castres.

Last Updated: 02/10/12 12:18pm

Aurelien Rougerie: Sidelined for Clermont

Captain Rougerie has been ruled out with the back injury he suffered in the 44-20 win over Grenoble a fortnight ago, while winger Nalaga is rested after taking a knock to his ribs during Friday's 28-25 victory over Stade Francais.

Parra is also rested with the France scrum-half having missed just 55 minutes of action this season.

Clermont also have doubts over prop Vincent Debaty (leg) and lock Jamie Cudmore (thigh), however Gerhard Vosloo is set to return to action after a lengthy spell out.